Oscar Alexius Concho Belt age

My mother swears this belt was bought in 1948 in Sheridan Wyoming. Oscar Alexius wasn’t alive then. The only difference I see between this belt and his other works is the hand carved signature instead of the stamp. Can someone help me date when this was made? Value? It is 36 in long and weighs just over 5 oz. Thanks in advance for your help!

I have seen Oscar etch his name before. It is not uncommon for an artist to do this, especially if they have broke their hallmark and in the process of having another one made. If we had this belt it would be somewhere around $450 - $500. Hope this helps.